Exercise box



FIG. 1 is a top perspective view of the exercise box showing my newdesign;

FIG. 2 is a side view thereof;

FIG. 3 is another side view thereof;

FIG. 4 is yet another side view thereof;

FIG. 5 is still another side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

CLAIM The ornamental design for an exercise box, as shown and described.